There's been a lot of work done on these over the years, but in fact, it's pretty hard to invent a good hash function. So my advice to you is, if you want to use something was a hash, go to a library. Look up a good hash function.

已经做过了很多的尝试和努力,但是事实是，很难发明出一个好的哈希函数,所以我给你们的建议是,如果你们想使用哈希功能,到函数库中查找一个好的哈希函数。

麻省理工公开课 - 计算机科学及编程导论课程节选

What I'd like to do is suggest to you that if you still haven't determined on a paper topic, you might very well consider this one.

我想给你们一个建议,如果你们至今未选好论文的题目的话，这个话题或许是很不错的一个选择。

耶鲁公开课 - 文学理论导论课程节选

This is simply another example of how moral goodness grows out of and even requires a context of moral evil. Machiavelli's advice to you is clear.

这只是道德良善怎样源自于而且甚至,需要一个道德败坏的情境的另一个例子,马基雅维利给你们的建议很清楚。

耶鲁公开课 - 政治哲学导论课程节选